This high-impact chemistry poster presents the full 0–14 pH scale with real-world substance examples (stomach acid, coffee, blood, pure water, ammonia, bleach), definitions of acids and bases as proton donors/acceptors, litmus paper indicators, strong vs. weak acid/base distinctions, and the neutralization reaction (HCl + NaOH → NaCl + H₂O). Ion concentration graphs clearly show how [H⁺] and [OH⁻] change across the scale. Perfect for: • High school chemistry and AP Chemistry acid-base units •